.tooltip {  position: relative;  display: inline-block;  border-bottom: 2px dotted black;}

.tooltip .tooltiptext {
  visibility: hidden;
  width: 800px;
  background-color: white;
  color: #000000; 
  font-family: Georgia, Arial; 
  font-weight: 400;
  text-align: center;
  line-height: 1.2;
  padding: 5px 0;
  border-radius: 6px;
 
  position: absolute;
  z-index: 1;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
}